Question

A person have some hens and cows, the total number of heads of the hens and cows are 48 and legs are 140. how many hens that person is having?

Answer 1

let the number if hens be x
let the number of cows be y

x+ y = 48 equation 1
x+ y= 140 equation 2

solve it .... through simultaneously method...

good night